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2026-08-28 - 11:29
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Fri Aug 28, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289092128119,6sleep30-21swapper/319:07:123
28946212162,6sleep00-21swapper/019:07:410
290672112103,6sleep20-21swapper/219:09:162
28890211197,11sleep10-21swapper/119:06:581
71122630,0sleep30-21swapper/323:15:203
99332610,5sleep12929299cyclictest22:48:421
311372610,1sleep229-21rcuc/222:15:182
85062600,0sleep10-21swapper/119:15:181
219672600,0sleep00-21swapper/000:17:410
10592600,2sleep3391ktimersoftd/322:45:153
75322580,0sleep10-21swapper/122:33:351
235692580,1sleep30-21swapper/321:59:083
110242570,0sleep10-21swapper/123:02:521
283002540,0sleep30-21swapper/321:00:173
240772540,0sleep10-21swapper/120:55:191
23592540,0sleep00-21swapper/020:10:010
71412520,0sleep30-21swapper/321:24:203
109962510,0sleep210995-21nfs4_client19:45:202
2878124945,3sleep30-21swapper/320:01:003
2312924440,3sleep30-21swapper/319:59:543
2152324339,3sleep30-21swapper/319:26:353
1373223734,2sleep30-21swapper/320:17:573
2929599280,27cyclictest0-21swapper/222:41:132
2928599280,27cyclictest0-21swapper/023:54:200
2928599280,27cyclictest0-21swapper/021:50:470
2928599280,27cyclictest0-21swapper/021:27:500
1115522822,3sleep30-21swapper/323:02:593
2929599270,26cyclictest0-21swapper/223:15:402
2929599270,26cyclictest0-21swapper/222:36:552
2929599270,20cyclictest20798-21ssh21:30:142
2929299270,26cyclictest0-21swapper/119:51:311
2928599270,26cyclictest0-21swapper/023:15:010
782722622,3sleep30-21swapper/320:13:293
2929599260,25cyclictest0-21swapper/220:03:462
2929299260,25cyclictest0-21swapper/123:57:211
2929299260,25cyclictest0-21swapper/120:39:231
2929299260,25cyclictest0-21swapper/120:30:271
29285992618,7cyclictest0-21swapper/022:56:100
2928599260,25cyclictest0-21swapper/022:52:190
3084022522,2sleep30-21swapper/320:34:353
29295992516,8cyclictest0-21swapper/223:03:452
2929599250,24cyclictest0-21swapper/219:35:522
2929599250,23cyclictest0-21swapper/221:59:082
2929599250,19cyclictest0-21swapper/222:46:012
2929299250,24cyclictest0-21swapper/123:42:201
2929299250,24cyclictest0-21swapper/120:03:041
2929299250,24cyclictest0-21swapper/119:57:051
2929299250,10cyclictest0-21swapper/120:25:101
29285992518,6cyclictest0-21swapper/023:28:260
2928599250,24cyclictest0-21swapper/021:24:190
1571922522,2sleep30-21swapper/319:23:023
29295992417,7cyclictest0-21swapper/200:33:532
2929599240,23cyclictest0-21swapper/221:42:472
2929599240,23cyclictest0-21swapper/200:08:322
29292992422,1cyclictest3174-21ssh23:14:101
2929299242,21cyclictest0-21swapper/122:10:081
29292992417,7cyclictest0-21swapper/119:42:461
29292992416,7cyclictest0-21swapper/121:27:171
2929299240,23cyclictest0-21swapper/123:53:281
2929299240,23cyclictest0-21swapper/123:49:021
2929299240,23cyclictest0-21swapper/122:59:461
2929299240,23cyclictest0-21swapper/121:48:591
2929299240,23cyclictest0-21swapper/121:15:151
2929299240,23cyclictest0-21swapper/100:00:361
2929299240,18cyclictest0-21swapper/122:16:201
2929299240,18cyclictest0-21swapper/121:23:031
2928599240,23cyclictest0-21swapper/022:17:220
2928599240,23cyclictest0-21swapper/022:06:420
2928599240,23cyclictest0-21swapper/021:57:580
2928599240,23cyclictest0-21swapper/021:40:360
2928599240,23cyclictest0-21swapper/000:30:400
2928599240,23cyclictest0-21swapper/000:22:160
2928599240,23cyclictest0-21swapper/000:10:250
2928599240,18cyclictest16544-21ssh22:36:320
2928599240,18cyclictest0-21swapper/022:12:490
29295992320,2cyclictest0-21swapper/219:15:132
2929599231,3cyclictest0-21swapper/223:52:232
2929599230,22cyclictest0-21swapper/223:38:232
2929599230,22cyclictest0-21swapper/223:10:052
2929599230,22cyclictest0-21swapper/222:21:282
2929599230,22cyclictest0-21swapper/221:14:012
2929299235,17cyclictest0-21swapper/100:07:111
2929299232,20cyclictest0-21swapper/122:26:041
29292992316,7cyclictest0-21swapper/121:31:441
29292992316,6cyclictest0-21swapper/123:39:381
29292992315,7cyclictest0-21swapper/119:12:201
2929299230,23cyclictest0-21swapper/120:18:231
2929299230,22cyclictest0-21swapper/123:23:561
2929299230,22cyclictest0-21swapper/123:07:281
2929299230,22cyclictest0-21swapper/122:43:561
2929299230,22cyclictest0-21swapper/121:57:131
2929299230,22cyclictest0-21swapper/121:39:581
2929299230,22cyclictest0-21swapper/100:36:101
2929299230,22cyclictest0-21swapper/100:31:511
2929299230,22cyclictest0-21swapper/100:11:281
2929299230,17cyclictest0-21swapper/123:31:491
2929299230,17cyclictest0-21swapper/122:38:181
2929299230,17cyclictest0-21swapper/121:50:541
2928599237,15cyclictest0-21swapper/023:13:410
29285992321,1cyclictest30888-21idleruntime-cro20:35:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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